<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>


<form action="/nihao" method="get">

    <input name="username"> <br>
    <input type="password" name="password"> <br>
    <input type="submit" > <br>
</form>

<br>
<br>
<br>
<br><br>

<form action="/nihao" method="post">

    <input name="username"> <br>
    <input type="password" name="password"> <br>
    <input type="submit" > <br>
</form>
</body>
</html>